ionizarea / ionization

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Мнениеот zvartoshu » 20 Яну 2010, 14:37

1991
Изображение
This flare was compact but very intense. Most flares occur in the "solar atmosphere" above the visible surface of the Sun and have little impact on the visible surface. However, some particularly intense flares, known as "white light flares", are seen on the visible surface. The 1991 November 15 flare was such an event. In the movie, the upper panel shows the flare in X-rays and the lower panel shows the flare in white light. If you look closely you can see the flare in the lower panel, indicating that this was a very energetic white light flare.

1992
Изображение
This flare occurred on the limb of the sun allowing us to see it as a side view. The loop-shaped structure of the flare results from the magnetic field in which the flare occurs. In the movie the upper panel shows the the SXT white light data and the lower panel shows the X-ray data. The flare is not seen in the white light data in this case.

1992-2
Изображение
The 1992 July 11 was a fairly typical small flare. It had a simple one-loop geometry. In the movie the upper panel shows the SXT white light data and the lower panel shows the X-ray data. The flare is not seen in the white light data in this case.

1994
Изображение
This example shows a ``large-scale eruptive event''. An enormous volume of the solar atmosphere took part in this dramatic eruption; a region of the Sun spanning 150 degrees of longitude and 40 degrees of latitude was heated to temperatures in excess of 2-3 million degrees Celsius in a little over 17 hours. The subsequent disruption of the solar atmosphere resulted in a cloud of solar material weighing 1 billion tons moving towards the Earth at a speed of over 1 million miles per hour. Indeed, this event, first observed at the Sun on 14 April 1994, resulted in a strong geomagnetic storm at the Earth some 68 hours later.
At present, there is a heated debate between solar physicists about whether these ``large-scale eruptive events'' can be truly classified as solar flares or not. Despite the obvious differences in spatial scale, events like that of April 14 1994 exhibit many similarities to the more compact flares highlighted on this page. The typical energies involved in these events are comparable to those in flares, the dynamical development is similar and the eruption in both cases is accompanied by a re-organization of the magnetic field in the solar corona.

1997
Изображение
The movie shows a small flare, that nonetheless resulted in the restructuring and expansion of the X-ray loops seen in the Sun's corona. There are a couple of gaps in the movie when Yohkoh's view of the Sun was blocked by the Earth. The single frame in the movie shows the X-rays observed by Yohkoh.
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Re: ionizarea / ionization

Мнениеот zvartoshu » 20 Яну 2010, 19:35

Created: 2010 Jan 20 1828 UTC
Magnetic Field
(Based on GSM coordinates) Plasma
Total Field, B : 11.2 nT Speed, V : 498.5 km s-1
Field in x-direction, Bx : -1.7 nT Temperature, T : 322829.5 k
Field in y-direction, By : -0.2 nT Density, n : 11.8 particles cm-3
Field in z-direction, Bz : -11.1 nT Pressure, P : 4.9 nPa
Latitude angle, beta : -81.2°
Angle, theta : 171.2°
Изображение
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Re: ionizarea / ionization

Мнениеот zvartoshu » 20 Яну 2010, 20:23

:Product: Geophysical Alert Message wwv.txt
:Issued: 2010 Jan 20 1806 UTC
# Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
#
# Geophysical Alert Message
#
Solar-terrestrial indices for 19 January follow.
Solar flux 84 and mid-latitude A-index 1.
The mid-latitude K-index at 1800 UTC on 20 January was 4 (67 nT).

Space weather for the past 24 hours has been minor.
Radio blackouts reaching the R1 level occurred.

Space weather for the next 24 hours is expected to be minor.
Geomagnetic storms reaching the G1 level are expected.
Radio blackouts reaching the R1 level are expected.
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Re: ionizarea / ionization

Мнениеот martintzvetomirov » 20 Яну 2010, 22:26

zvartoshu написа:this is "BEHIND" solar

Yeah, lucky us. I explained what could have happened if it was in the direction of Earth (or what can happen in future :Blink ). Thanks for the interesting info, though :)
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Re: ionizarea / ionization

Мнениеот zvartoshu » 20 Яну 2010, 22:50

For dx need a interesant info , need a pictures , remembers .. other posibilities to info dx-ers !
In the old veritable day 2001 -05-07 other dx-ers flood other mails to send mesages images for your recpeiton tv /dx and cb :Happy
In this moment .. moment to real opening .. NORTH america functionally in 28 in OUT OF SEASON .. ah parond , solar cyle 24 long time ago season . In this moment solar cycle seaosn e-skip is function to 2014 . America SOUTH not have MUF / Es not have in this moment dx .. Look is summer and in noth is winther is equivalent europe .. -10 .. -14°C .. season is opened .. ! understabd this superb moment ?
Изображение

this is no coment for dx-ers when not known real season 4 years long time ago ! Other dx-ers send information :
OUT OFF SEASON .. is wrong!!
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Re: ionizarea / ionization

Мнениеот zvartoshu » 20 Яну 2010, 23:15

CRACKLING SUNSPOT: Old sunspot 1039 is crackling with solar flares. Over the past 48 hours, it has produced five M-class eruptions. Click on the image to play a movie of the latest, an M2-blast recorded by STEREO-B at 1756 GMT on Jan. 20th:

The ongoing sequence of flares signals a sharp upturn in solar activity. Before this week, the last time the sun produced even a single M-class solar flare was in March 2008--almost two years ago. M-class solar flares have a moderate effect on Earth. Mainly, they boost the usual ionization of Earth's upper atmosphere, causing short-lived radio blackouts at some frequencies and radio enhancements at others. For an example, scroll down and read the section "Ionospheric Disturbance."

Today, the active region responsible for these fireworks is emerging over the sun's eastern limb where it can be seen from Earth: finder chart. Readers with solar telescopes are encouraged to monitor developments.

Изображение


:Product: Geophysical Alert Message wwv.txt
:Issued: 2010 Jan 20 2106 UTC
# Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
#
# Geophysical Alert Message
#
Solar-terrestrial indices for 20 January follow.
Solar flux 82 and estimated mid-latitude A-Index 9.
The mid-latitude K-index at 2100 UTC on 20 January was 3 (27 nT).

Space weather for the past 24 hours has been minor.
Geomagnetic storms reaching the G1 level occurred.
Radio blackouts reaching the R1 level occurred.

Space weather for the next 24 hours is expected to be minor.
Radio blackouts reaching the R1 level are expected.


Изображение

Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 020 Issued at 2200Z on 20 Jan 2010

IA. Analysis of Solar Active Regions and Activity from 19/2100Z
to 20/2100Z: Solar activity was moderate. Region 1041 (S25E77)
produced four M-class flares during the past 24 hours, as well as
numerous C-class flares. The largest of these was an M3.4/Sf at
20/1755Z. Region 1041 was classified as a Cso-beta group with six
spots, as it rotated on to the east limb.

IB. Solar Activity Forecast: Solar activity is expected to be low
to moderate. Occasional M-class flares are likely. Frequent C-class
flares are expected.

IIA. Geophysical Activity Summary 19/2100Z to 20/2100Z:
The geomagnetic field was quiet to active, with isolated minor storm
conditions at high latitudes. Solar wind observations from the ACE
spacecraft indicated the onset of a co-rotating interaction region
around 20/0900Z. Solar wind velocity increased from 300 km/s to a
max of 525 km/s at 20/1834 km/s. The interplanetary magnetic field
(IMF) activity showed an enhancement of total field of 19 nT, and
the southern component of the IMF ranged between +15 nT and -17 nT.
Density reached 48 p/cc at 20/1546Z.

IIB. Geophysical Activity Forecast: The geomagnetic field is
expected to be quiet for the next three days (21-23 January).

III. Event Probabilities 21 Jan-23 Jan
Class M 75/75/75
Class X 05/05/05
Proton 05/05/05
PCAF Green

IV. Penticton 10.7 cm Flux
Observed 20 Jan 082
Predicted 21 Jan-23 Jan 083/084/085
90 Day Mean 20 Jan 077

V. Geomagnetic A Indices
Observed Afr/Ap 19 Jan 002/001
Estimated Afr/Ap 20 Jan 007/010
Predicted Afr/Ap 21 Jan-23 Jan 005/005-005/005-005/005

VI. Geomagnetic Activity Probabilities 21 Jan-23 Jan
A. Middle Latitudes
Active 05/05/05
Minor storm 01/01/01
Major-severe storm 01/01/01
B. High Latitudes
Active 05/05/05
Minor storm 01/01/01
Major-severe storm 01/01/01
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Re: ionizarea / ionization

Мнениеот zvartoshu » 21 Яну 2010, 11:04

Изображение
x-ray detector

NORTHERN LIGHTS: As predicted, a solar wind stream hit Earth's magnetic field on Jan. 20th and sparked bright auroras around the Arctic Circle. "There were fast-moving streamers and stunning coronas," says Petter Hamnes of Mo i Rana, Norway. "It was one of the best displays I've seen in a long time." He took this picture using his Nikon D300:
Изображение
The solar wind's impact caused a geomagnetic storm registering 5 on the 0-to-9 K-index scale of magnetic disturbances. It was the first geomagnetic storm of the year--but probably not the last. With active sunspot 1041 turning toward Earth, there could be more in the offing. High-latitude sky watchers should remain alert for auroras.

:Product: Geophysical Alert Message wwv.txt
:Issued: 2010 Jan 21 0906 UTC
# Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
#
# Geophysical Alert Message
#
Solar-terrestrial indices for 20 January follow.
Solar flux 82 and mid-latitude A-index 9.
The mid-latitude K-index at 0900 UTC on 21 January was 2 (16 nT).

Space weather for the past 24 hours has been minor.
Geomagnetic storms reaching the G1 level occurred.
Radio blackouts reaching the R1 level occurred.

Space weather for the next 24 hours is expected to be minor.
Radio blackouts reaching the R1 level are expected.
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Re: ionizarea / ionization

Мнениеот zvartoshu » 21 Яну 2010, 15:40

SAUDI arabia have best muf e-skip via multi hop and F2/ tep propagation ..
The best reflexions is printed and remain a best remember in start e-skip season long time 2010 - 2014 .

Изображение
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Re: ionizarea / ionization

Мнениеот zvartoshu » 21 Яну 2010, 16:12

Изображение

imaginea no comen-ului ..
the image of the no coment
16110km in this year .. !!!
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Re: ionizarea / ionization

Мнениеот zvartoshu » 02 Фев 2010, 10:21

big cme
Изображение
What's up in Space
February 1, 2010

EXPLOSION ON THE SUN
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Re: ionizarea / ionization

Мнениеот zvartoshu » 07 Фев 2010, 13:04

Update - Largest Flare of Cycle 24 - Three M-Flares including an M6.4 has taken place around Sunspot 1045. The flare at 03:19 UTC Sunday is the largest solar flare of Cycle 24 thus far. Any earth directed explosions could trigger geomagnetic storming. The latest blast has triggered an R2 Radio blackout which could temporarily degrade HF communications on the sunlit side. More to come.
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Re: ionizarea / ionization

Мнениеот zvartoshu » 11 Фев 2010, 13:57

Изображение
radio sun is avaiable at this season .
Analysors detect noise in all band ..
Student romanian detect radio sun in 2 exemples . in last nigts signals noise added in band 18.2Mhz to 179mhz a big senzation .
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Re: ionizarea / ionization

Мнениеот zvartoshu » 12 Фев 2010, 12:30

Изображение
13:23

M8 class flare !!!
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Re: ionizarea / ionization

Мнениеот zvartoshu » 12 Фев 2010, 12:58

Изображение

Изображение
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Re: ionizarea / ionization

Мнениеот zvartoshu » 12 Фев 2010, 13:00

Sunspot 1046 produces M8.3 Flare - Out of nowhere Sunspot 1046 produced a strong M8.3 Solar flare Friday morning which is now the largest flare of Cycle 24. An R2 Radio Blackout did take place. The image is below and more updates to follow,
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Re: ionizarea / ionization

Мнениеот zvartoshu » 13 Фев 2010, 16:39

Interesant moments today in tv dx and radio dx

http://www.youtube.com/user/zvartoshu#p/u/4/eXBQN-r60JM F2 rare signal with noise R3 CH

http://www.youtube.com/user/zvartoshu#p/u/3/EDWFnrrXx1E R1 poooor

http://www.youtube.com/user/zvartoshu#p/u/1/-oYgCpywah4 R2 pooor

http://www.youtube.com/user/zvartoshu#p/u/0/QsdsacB3MtE F2 noise

http://www.youtube.com/user/zvartoshu#p/u/2/5jxl8Vdtq6I small radio black outs with sounds and multi radios .. sun radio avaiable in this recording and noise sun .
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Re: ionizarea / ionization

Мнениеот zvartoshu » 15 Фев 2010, 14:05

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Re: ionizarea / ionization

Мнениеот zvartoshu » 07 Мар 2010, 13:03

http://img710.imageshack.us/gal.php?g=la3st28w2l.gif arhiva mare

http://img69.imageshack.us/img69/1839/lastgg28w2l.gif
http://img534.imageshack.us/img534/442/lastfd28w2l.gif
http://img442.imageshack.us/img442/4127/lastf50w2l.gif
http://img706.imageshack.us/img706/6597 ... 777w2l.gif
http://img268.imageshack.us/img268/454/last5660eu.gif
http://img218.imageshack.us/img218/576/last2899w2l.gif
http://img26.imageshack.us/img26/2352/last2841w2l.gif
http://img694.imageshack.us/img694/4640/last750w2l.gif
http://img696.imageshack.us/img696/2320/last728eu.gif
http://img31.imageshack.us/img31/8648/last289w2l.gif
http://img175.imageshack.us/img175/6145/last287w2l.gif
http://img63.imageshack.us/img63/1607/last226w2l.gif
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http://img708.imageshack.us/img708/5997 ... hhgw2l.gif
http://img443.imageshack.us/img443/4570/last50eu.gif
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http://img411.imageshack.us/img411/7365 ... 555w2l.gif
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http://img708.imageshack.us/img708/6223/la3st98w2l.gif
http://img710.imageshack.us/img710/3110/la3st28w2l.gif

ce contine:
50mhz - 28mhz qso
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Re: ionizarea / ionization

Мнениеот zvartoshu » 10 Мар 2010, 21:57

http://img190.imageshack.us/img190/7827 ... meedss.jpg
http://img519.imageshack.us/img519/773/ ... hxwli0.jpg
http://img692.imageshack.us/img692/1327/last5880w2l.gif
http://img717.imageshack.us/img717/5403 ... 98w2lr.gif
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http://img641.imageshack.us/img641/9821/last50w22l.gif
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Re: ionizarea / ionization

Мнениеот zvartoshu » 06 Апр 2010, 10:53

G3 alarm for this solar cycle24

First simtomes: voltage corrections may be required, false alarms triggered on some protection devices.
Second simtomes : intermittent satellite navigation and low-frequency radio navigation problems may occur, HF radio may be intermittent, and aurora has been seen as low as Illinois and Oregon (typically 50° geomagnetic lat.)**.

A - 37
K - 6 (127nT)

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